Form Validation 2

 <html>

<body>

<h2>JavaScript Validation</h2>

<p>Please input a number between 1 and 10:</p>

<input id="numb">

<button type="button" onclick="myFunction()">Submit</button>

<p id="demo"></p>

<script>

function myFunction() {

  let x = document.getElementById("numb").value;

  let text;

  if (isNaN(x) || x < 1 || x > 10) {

    text = "Input not valid";

  } else {

    text = "Input OK";

  }

  document.getElementById("demo").innerHTML = text;

}

</script>

</body>

</html> 

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